FR2175047B1 - - Google Patents

Info

Publication number
FR2175047B1
FR2175047B1 FR7307867A FR7307867A FR2175047B1 FR 2175047 B1 FR2175047 B1 FR 2175047B1 FR 7307867 A FR7307867 A FR 7307867A FR 7307867 A FR7307867 A FR 7307867A FR 2175047 B1 FR2175047 B1 FR 2175047B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7307867A
Other languages
French (fr)
Other versions
FR2175047A1 (zh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2175047A1 publication Critical patent/FR2175047A1/fr
Application granted granted Critical
Publication of FR2175047B1 publication Critical patent/FR2175047B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR7307867A 1972-03-06 1973-03-06 Expired FR2175047B1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE780235A BE780235A (nl) 1972-03-06 1972-03-06 Signaleringsstelsel, (uitv. : m. van brussel, en r. polle),

Publications (2)

Publication Number Publication Date
FR2175047A1 FR2175047A1 (zh) 1973-10-19
FR2175047B1 true FR2175047B1 (zh) 1977-02-04

Family

ID=3859360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7307867A Expired FR2175047B1 (zh) 1972-03-06 1973-03-06

Country Status (14)

Country Link
US (1) US3891808A (zh)
JP (1) JPS564074B2 (zh)
AR (1) AR195598A1 (zh)
BE (1) BE780235A (zh)
BR (1) BR7301593D0 (zh)
CA (1) CA1020262A (zh)
CH (1) CH564291A5 (zh)
DE (1) DE2310635A1 (zh)
ES (1) ES412363A1 (zh)
FR (1) FR2175047B1 (zh)
GB (1) GB1420262A (zh)
IT (1) IT981094B (zh)
NL (1) NL7303149A (zh)
YU (1) YU56573A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8306852D0 (en) * 1983-03-12 1983-04-20 Lucas Ind Plc Hydraulic flow control valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092691A (en) * 1961-07-28 1963-06-04 Automatic Elect Lab Electronic pulse correction circuit
US3312784A (en) * 1964-01-02 1967-04-04 Gen Electric Telephone signalling system including a pulse-correcting system for maintaining constant make-to-break time ratio with varying dial pulse speeds
US3452220A (en) * 1966-06-08 1969-06-24 Bell Telephone Labor Inc Pulse corrector circuit
GB1372183A (en) * 1970-08-03 1974-10-30 Aei Telecommunications Canada Digital impulse corrector
US3659055A (en) * 1970-10-27 1972-04-25 Bell Telephone Labor Inc Pulse signal repeater
US3766323A (en) * 1971-02-24 1973-10-16 Itt Digital dial pulse distortion corrector
US3671875A (en) * 1971-05-20 1972-06-20 Bell Telephone Labor Inc Digitally operated signal regenerator and timing circuit
US3772474A (en) * 1972-01-31 1973-11-13 Gte Automatic Electric Lab Inc Dial pulse correcting circuit

Also Published As

Publication number Publication date
AU5286673A (en) 1974-09-05
CH564291A5 (zh) 1975-07-15
BE780235A (nl) 1972-09-06
JPS48103106A (zh) 1973-12-25
CA1020262A (en) 1977-11-01
YU56573A (en) 1981-04-30
GB1420262A (en) 1976-01-07
BR7301593D0 (pt) 1974-05-16
US3891808A (en) 1975-06-24
JPS564074B2 (zh) 1981-01-28
IT981094B (it) 1974-10-10
FR2175047A1 (zh) 1973-10-19
AR195598A1 (es) 1973-10-23
DE2310635A1 (de) 1973-09-20
NL7303149A (zh) 1973-09-10
ES412363A1 (es) 1976-11-16

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Legal Events

Date Code Title Description
ST Notification of lapse